The main symptoms of acute epiglottitis include headache, fatigue and other systemic symptoms, as well as pain in the throat, epiglottis swelling and other local symptoms, and in severe cases, it may cause dysphagia or even respiratory difficulties, etc. It is recommended to go to the hospital as soon as possible for treatment. Acute epiglottitis mainly involves the epiglottis and its surrounding tissues in the supraglottic region of the larynx, manifested as edema of the epiglottis, which is an acute and serious disease of laryngology in clinic. 1. Systemic symptoms: Because of the infection of Haemophilus influenzae type b, headache, fatigue, loss of appetite in mild cases, and high fever, drop in blood pressure and even fainting in severe cases. 2. Local symptoms: because the acute inflammatory reaction attacks the mucous membrane of the epiglottis and causes edema, the patient will feel the pain in the throat, and the gradual progress of the disease may cause dysphagia and dyspnea. Within 12 hours of onset of the disease, the high degree of swelling of the epiglottis causes sputum obstruction, which can further cause respiratory difficulties and lead to asphyxia. Acute epiglottitis is characterized by a rapid onset and progression of the disease, so it is important to follow your doctor’s instructions to achieve good results.